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Signal Connections
•
23
3.7 Alarm Signal ALM
The alarm signal ALM is used to indicate the alarm status from the servo
driver. The relative signal name, pin number and axis number are shown
in the following table.
CN2 Pin No
Signal Name
Axis #
9
ALM1
•
27
ALM2
‚
The input circuit of alarm circuit is shown in the following diagram. The
ALM signals are usually from servomotor drivers, which usually provide
open collector output signals. The external circuit must provide at least
5 mA current sink capability to drive the ALM signal active. For more
details of the ALM operation, please refer to section 4.2.2.
EX+5V
I
f
=12mA Max.
I
f
=5mA Min.
To PCL5023
ALM
R
Inside PCI-8132
CN2